Class: Rack::SimpleRedirect

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/simple_redirect.rb

Instance Method Summary collapse

Constructor Details

#initialize(app, routes: {}, status: 302) ⇒ SimpleRedirect

The keys in routes can be strings, regular expressions, or callables. For a key that matches (using == for strings, .match?(path) for regexes, or call(env) for callables), the Location in the redirect is equal to the value of the key, or if the value is a callable, the returned result of calling the value with env.



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# File 'lib/rack/simple_redirect.rb', line 13

def initialize(app, routes: {}, status: 302)
  @app = app
  @routes = routes
  @status = status
end

Instance Method Details

#_check_routes_opts(h) ⇒ Object 



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# File 'lib/rack/simple_redirect.rb', line 38

def _check_routes_opts(h)
  h.each do |k, v|
    case k
      when String, Regexp, Proc
        nil
      else
        raise "SimpleRedirect routes keys must be strings, regexes, or procs"
    end
    case v
      when String, Proc
        nil
      else
        raise "SimpleRedirect routes values must be strings or procs"
    end
  end
end

#_matches(path, env, route) ⇒ Object 



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# File 'lib/rack/simple_redirect.rb', line 32

def _matches(path, env, route)
  return route == path if route.is_a?(String)
  return route.match?(path) if route.is_a?(Regexp)
  return route.call(env)
end

#call(env) ⇒ Object 



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# File 'lib/rack/simple_redirect.rb', line 19

def call(env)
  path = env["PATH_INFO"]
  loc = nil
  @routes.each do |route, result|
    if self._matches(path, env, route)
      loc = result.respond_to?(:call) ? result[env] : result
      break
    end
  end
  return @app.call(env) if loc.nil?
  return [@status, {"Location" => loc}, []]
end